<div id="page-wrapper" class="gray-bg dashbard-1">
            <!--<div class="row border-bottom">-->
                <!--<nav class="navbar navbar-static-top" role="navigation" style="margin-bottom: 0">-->
            <!--<div class="navbar-header">-->
                <!--<a class="navbar-minimalize minimalize-styl-2 btn btn-primary " href="#"><i class="fa fa-bars"></i> </a>-->
                <!--<form role="search" class="navbar-form-custom" method="post" action="search_results.html">-->
                    <!--<div class="form-group">-->
                        <!--<input type="text" placeholder="请输入您需要查找的内容 …" class="form-control" name="top-search" id="top-search">-->
                    <!--</div>-->
                <!--</form>-->
            <!--</div>-->
            <!--<ul class="nav navbar-top-links navbar-right">-->
                <!--<li class="dropdown hidden-xs">-->
                    <!--<a class="right-sidebar-toggle" aria-expanded="false">-->
                        <!--<i class="fa fa-tasks"></i> 主题-->
                    <!--</a>-->
                <!--</li>-->
            <!--</ul>-->
        <!--</nav>-->
    <!--</div>-->
    <div class="row content-tabs" style="padding-left: 49px">
        <div style="position:  absolute;left: 0;top: 0;height: 41px;background-color:  white;width: 49px;"><a class="navbar-minimalize minimalize-styl-2 btn btn-primary " href="#"><i class="fa fa-bars"></i> </a>
        </div>
        <button class="roll-nav roll-left J_tabLeft"><i class="fa fa-backward"></i>
        </button>
        <nav class="page-tabs J_menuTabs" style="margin-left: 41px">
            <div class="page-tabs-content">
                <a href="javascript:;" class="active J_menuTab" data-id="${ctxPath}/blackboard">首页</a>
            </div>
        </nav>
        <!--<button class="roll-nav roll-right J_tabRight"><i class="fa fa-forward"></i>-->
        <!--</button>-->
        <!--<div class="btn-group roll-nav roll-right">-->
            <!--<button class="dropdown J_tabClose" data-toggle="dropdown">关闭操作<span class="caret"></span>-->

            <!--</button>-->
            <!--<ul role="menu" class="dropdown-menu dropdown-menu-right">-->
                <!--<li class="J_tabShowActive"><a>定位当前选项卡</a>-->
                <!--</li>-->
                <!--<li class="divider"></li>-->
                <!--<li class="J_tabCloseAll"><a>关闭全部选项卡</a>-->
                <!--</li>-->
                <!--<li class="J_tabCloseOther"><a>关闭其他选项卡</a>-->
                <!--</li>-->
            <!--</ul>-->
        <!--</div>-->
        <!--<a href="logout" class="roll-nav roll-right J_tabExit"><i class="fa fa fa-sign-out"></i> 退出</a>-->
    </div>
    <div class="row J_mainContent" id="content-main">
        <iframe class="J_iframe" name="iframe0" width="100%" height="100%" src="${ctxPath}/blackboard" frameborder="0" data-id="${ctxPath}/blackboard" seamless></iframe>
    </div>
    <!--<div class="footer">-->

    <!--</div>-->
</div>